1213104153 has 8 divisors (see below), whose sum is σ = 1702602400. Its totient is φ = 766171008.

The previous prime is 1213104143. The next prime is 1213104161. The reversal of 1213104153 is 3514013121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213104153 - 2²⁶ = 1145995289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213104103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10641208 + ... + 10641321.

It is an arithmetic number, because the mean of its divisors is an integer number (212825300).

Almost surely, 2^1213104153 is an apocalyptic number.

It is an amenable number.

1213104153 is a deficient number, since it is larger than the sum of its proper divisors (489498247).

1213104153 is a wasteful number, since it uses less digits than its factorization.

1213104153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21282551.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1213104153 is about 34829.6447440969. The cubic root of 1213104153 is about 1066.5126962112.

Adding to 1213104153 its reverse (3514013121), we get a palindrome (4727117274).

The spelling of 1213104153 in words is "one billion, two hundred thirteen million, one hundred four thousand, one hundred fifty-three".